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TaskFlow/app/TaskFlow/ClassIDBData.vb

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Public Class ClassIDBData
Public DTVWIDB_BE_ATTRIBUTE As DataTable
Public IDBSystemIndices As List(Of String)
''' <summary>
''' Wenn True, werden SQL-Statements nicht sofort ausgeführt,
''' sondern in <see cref="_sqlBatch"/> gesammelt.
''' </summary>
Public Property BatchMode As Boolean = False
Private _sqlBatch As New List(Of String)
''' <summary>
''' Startet den Batch-Sammelmodus.
''' </summary>
Public Sub BeginBatch()
_sqlBatch.Clear()
BatchMode = True
End Sub
''' <summary>
''' Führt alle gesammelten SQL-Statements als einen einzigen String
''' an ExecuteNonQueryIDB weiter. Jeder Block wird in BEGIN...END
''' gekapselt, damit DECLARE-Variablen nicht kollidieren.
''' </summary>
''' <returns>True wenn erfolgreich</returns>
Public Function CommitBatch() As Boolean
BatchMode = False
If _sqlBatch.Count = 0 Then Return True
Try
Dim oStatements = _sqlBatch.
Where(Function(s) Not String.IsNullOrWhiteSpace(s)).
ToList()
' @NEW_OBJ_MD_ID pro Statement eindeutig umbenennen → kein Namenskonflikt im Batch
Dim oNumberedStatements As New List(Of String)
Dim oIndex As Integer = 0
For Each oStatement As String In oStatements
Dim oNumbered = oStatement.Replace("@NEW_OBJ_MD_ID", $"@NEW_OBJ_MD_ID_{oIndex}")
oNumberedStatements.Add(oNumbered)
oIndex += 1
Next
Dim oBatchSQL = String.Join(vbNewLine, oNumberedStatements)
LOGGER.Debug($"⚡ CommitBatch - Executing {oStatements.Count} statements as one batch:{vbNewLine}{oBatchSQL}")
Dim oResult = DatabaseFallback.ExecuteNonQueryIDB(oBatchSQL)
_sqlBatch.Clear()
Return oResult
Catch ex As Exception
LOGGER.Error(ex)
_sqlBatch.Clear()
Return False
End Try
End Function
''' <summary>
''' Verwirft alle gesammelten Statements ohne Ausführung.
''' </summary>
Public Sub RollbackBatch()
_sqlBatch.Clear()
BatchMode = False
End Sub
''' <summary>
''' Führt ein SQL-Statement aus sofort oder gesammelt je nach BatchMode.
''' </summary>
Private Function ExecuteOrQueue(oSQL As String) As Boolean
If BatchMode Then
_sqlBatch.Add(oSQL)
LOGGER.Debug($"BatchMode - Queued statement: {oSQL}")
Return True
Else
Return DatabaseFallback.ExecuteNonQueryIDB(oSQL)
End If
End Function
''' <summary>
''' Gets all indices by BusinessEntity.
''' </summary>
''' <param name="BusinessEntity">Title of Business Entity</param>
''' <returns>Array with all Indices</returns>
''' <remarks></remarks>
'''
Public Function Init() As Boolean
Dim oSQL = $"SELECT DISTINCT ATTR_TITLE, TYP_ID, TYP_ID as [TYPE_ID] FROM VWIDB_BE_ATTRIBUTE WHERE SYS_ATTRIBUTE = 0 ORDER BY ATTR_TITLE"
DTVWIDB_BE_ATTRIBUTE = DatabaseFallback.GetDatatableIDB(oSQL)
If IsNothing(DTVWIDB_BE_ATTRIBUTE) Then
oSQL = $"SELECT DISTINCT ATTR_TITLE, TYP_ID, TYP_ID as [TYPE_ID] FROM VWIDB_BE_ATTRIBUTE ORDER BY ATTR_TITLE "
DTVWIDB_BE_ATTRIBUTE = DatabaseFallback.GetDatatableIDB(oSQL)
End If
Return True
End Function
Public Function GetIndicesByBE(ByVal BusinessEntity As String) As String()
Try
Dim aNames(4) As String
aNames(0) = "ObjectID"
aNames(1) = "IDBCreatedWhen"
aNames(2) = "IDBCreatedWho"
aNames(3) = "IDBChangedWhen"
aNames(4) = "IDBChangedWho"
IDBSystemIndices = aNames.ToList
' Array für Indizes vorbereiten
Dim aIndexNames(DTVWIDB_BE_ATTRIBUTE.Rows.Count + 4) As String
Dim oCount As Integer = 0
aIndexNames(oCount) = "ObjectID"
oCount += 1
aIndexNames(oCount) = "IDBCreatedWhen"
oCount += 1
aIndexNames(oCount) = "IDBCreatedWho"
oCount += 1
aIndexNames(oCount) = "IDBChangedWhen"
oCount += 1
aIndexNames(oCount) = "IDBChangedWho"
For Each oRow As DataRow In DTVWIDB_BE_ATTRIBUTE.Rows
oCount += 1
aIndexNames(oCount) = oRow.Item("ATTR_TITLE")
Next
' Indexarray sortiert zurückgeben
Array.Sort(aIndexNames)
' Indexarray zurückgeben
Return aIndexNames
Catch ex As Exception
LOGGER.Error(ex)
MsgBox(ex.Message, MsgBoxStyle.Critical, "Error getting the IDB Indicies")
Return Nothing
End Try
End Function
Public Function GetTypeOfIndex(ByVal indexname As String) As Integer
Try
For Each oRow As DataRow In DTVWIDB_BE_ATTRIBUTE.Rows
If oRow.Item("ATTR_TITLE") = indexname Then
Try
Dim oType = oRow.Item("TYP_ID")
Return oType
Catch ex As Exception
Try
Dim oType = oRow.Item("TYP_ID")
Return oType
Catch ex1 As Exception
LOGGER.Error(ex)
Return Nothing
End Try
End Try
End If
Next
Catch ex As Exception
LOGGER.Error(ex)
Return Nothing
End Try
End Function
Public Function GetVariableValue(oAttributeName As String, Optional oIDBTyp As Integer = 0, Optional FromIDB As Boolean = False) As Object
Try
Dim oSingleAttribute As Boolean = True
Select Case oIDBTyp
Case 8
oSingleAttribute = False
Case 9
oSingleAttribute = False
End Select
Dim oAttributeValue
LOGGER.Debug($"IDBData - GetVariableValue - oSingleAttribute [{oSingleAttribute.ToString}] - FromIDB [{FromIDB.ToString}]")
If oSingleAttribute = True And IDB_DT_DOC_DATA.Rows.Count = 1 And FromIDB = False Then
Try
If oAttributeName = "IDBCreatedWhen" Then
oAttributeName = "ADDED_WHEN"
ElseIf oAttributeName = "IDBCreatedWho" Then
oAttributeName = "ADDED_WHO"
ElseIf oAttributeName = "IDBChangedWhen" Then
oAttributeName = "CHANGED_WHEN"
ElseIf oAttributeName = "IDBChangedWho" Then
oAttributeName = "CHANGED_WHO"
End If
LOGGER.Debug($"IDBData - GetVariableValue - IDB_DT_DOC_DATA.Rows.Count = 1")
oAttributeValue = IDB_DT_DOC_DATA.Rows(0).Item(oAttributeName)
Catch ex As Exception
LOGGER.Debug($"Error getting Attribute from IDB_DT_DOC_DATA: {ex.Message}")
End Try
End If
If Not IsNothing(oAttributeValue) Then
LOGGER.Debug($"IDBData - GetVariableValue - Returning value: [{oAttributeValue}]")
Return oAttributeValue
Else
LOGGER.Debug($"oAttributeValue for Attribute [{oAttributeName}] is so far nothing..Now trying FNIDB_PM_GET_VARIABLE_VALUE ")
End If
Dim oFNSQL = $"SELECT * FROM [dbo].[FNIDB_PM_GET_VARIABLE_VALUE] ({CURRENT_DOC_ID},'{oAttributeName}','{USER_LANGUAGE}',CONVERT(BIT,'{IDB_USES_WMFILESTORE}'))"
LOGGER.Debug($": {oFNSQL}")
oAttributeValue = DatabaseFallback.GetDatatableIDB(oFNSQL)
Dim odt As DataTable = oAttributeValue
If odt.Rows.Count = 1 Then
oAttributeValue = odt.Rows(0).Item(0)
End If
Return oAttributeValue
Catch ex As Exception
LOGGER.Error(ex)
Return Nothing
End Try
End Function
Public Function Delete_Term_Object_From_Metadata(oAttributeName As String, oTerm2Delete As String) As Object
Try
Dim oID_IS_FOREIGN As Integer
oID_IS_FOREIGN = 0
If IDB_USES_WMFILESTORE Then
oID_IS_FOREIGN = 1
End If
oTerm2Delete = oTerm2Delete.Replace("'", "''")
Dim oDELSQL = $"EXEC PRIDB_DELETE_TERM_OBJECT_METADATA {CURRENT_DOC_ID},'{oAttributeName}','{oTerm2Delete}','{USER_USERNAME}','{USER_LANGUAGE}',{oID_IS_FOREIGN};"
LOGGER.Debug($"Delete_Term_Object_From_Metadata: {oDELSQL}")
'DatabaseFallback.ExecuteNonQueryIDB(oDELSQL)
Return ExecuteOrQueue(oDELSQL)
Catch ex As Exception
LOGGER.Error(ex)
Return Nothing
End Try
End Function
Public Function Delete_AttributeData(pIDB_OBJID As Int64, pAttributeName As String) As Object
Try
Dim oDELSQL = $"EXEC PRIDB_DELETE_ATTRIBUTE_DATA {pIDB_OBJID},'{pAttributeName}','{USER_USERNAME}';"
LOGGER.Debug($"Delete_Attribute_Data: {oDELSQL}")
' DatabaseFallback.ExecuteNonQueryIDB(oDELSQL)
Return ExecuteOrQueue(oDELSQL)
Catch ex As Exception
LOGGER.Error(ex)
Return Nothing
End Try
End Function
Public Function SetVariableValue(oAttributeName As String, oNewValue As Object, Optional CheckDeleted As Boolean = False, Optional oIDBTyp As Integer = 0)
Try
Dim omsg = $"IDBData - SetVariableValue - Attribute: [{oAttributeName}] - NewValue: [{oNewValue}] - CheckDeleted: [{CheckDeleted.ToString}] - oIDBTyp: [{oIDBTyp}]"
LOGGER.Debug(omsg)
Dim omytype = oNewValue.GetType.ToString
If omytype = "System.Data.DataTable" Then
Dim oDTMyNewValues As DataTable = oNewValue
Dim oAttributeResultFromDB
Dim oTypeOldResult
' Für DataTable (Mehrfachauswahl/Vektor) IMMER auf gelöschte Werte prüfen,
' unabhängig vom übergebenen CheckDeleted-Parameter.
Dim oEffectiveCheckDeleted As Boolean = True
If oEffectiveCheckDeleted = True Then
oAttributeResultFromDB = GetVariableValue(oAttributeName, oIDBTyp)
oTypeOldResult = oAttributeResultFromDB.GetType.ToString
If TypeOf oAttributeResultFromDB Is DataTable Then
Dim myOldValues As DataTable = oAttributeResultFromDB
If myOldValues.Rows.Count >= 1 Then
'now Checking whether the old row still remains in Vector? If not it will be deleted as it cannot be replaced in multivalues
For Each oOldValueRow As DataRow In myOldValues.Rows
Dim oExists As Boolean = False
For Each oNewValueRow As DataRow In oDTMyNewValues.Rows
Dim oInfo1 = $"Checking oldValue[{oOldValueRow.Item(0)}] vs NewValue [{oNewValueRow.Item(1)}]"
If oNewValueRow.Item(1).ToString.ToUpper = oOldValueRow.Item(0).ToString.ToUpper Then
oExists = True
Exit For
End If
Next
If oExists = False Then
Dim oInfo = $"Value [{oOldValueRow.Item(0)}] no longer existing in Vector-Attribute [{oAttributeName}] - will be deleted!"
LOGGER.Debug(oInfo)
'SetVariableValue(CURRENT_PROFILE_LOG_INDEX, oInfo)
Delete_Term_Object_From_Metadata(oAttributeName, oOldValueRow.Item(0))
End If
Next
End If
Else
'### Old Value is a single value ###
If oDTMyNewValues.Rows.Count > 1 Then
'### there is more than one new value ###
Dim oExists As Boolean = False
For Each oNewValueRow As DataRow In oDTMyNewValues.Rows
LOGGER.Debug($"Checking oldValue[{oAttributeResultFromDB}] vs NewValue [{oNewValueRow.Item(1)}]")
If oNewValueRow.Item(1).ToString.ToUpper = oAttributeResultFromDB.ToString.ToUpper Then
oExists = True
Exit For ' ← sobald gefunden, abbrechen
End If
Next
If oExists = False Then
LOGGER.Debug($"Value [{oAttributeResultFromDB}] no longer existing in Attribute [{oAttributeName}] - will be deleted!")
'SetVariableValue(CURRENT_PROFILE_LOG_INDEX, oInfo2)
Delete_Term_Object_From_Metadata(oAttributeName, oAttributeResultFromDB)
End If
Else
'### there is only ONE new value ###
If oDTMyNewValues.Rows(0).Item(1) <> oAttributeResultFromDB Then
Dim oInfo = $"Value [{oAttributeResultFromDB}] of Attribute [{oAttributeName}] obviously was updated during runtime - will be deleted!"
LOGGER.Debug(oInfo)
SetVariableValue(CURRENT_PROFILE_LOG_INDEX, oInfo)
Delete_Term_Object_From_Metadata(oAttributeName, oAttributeResultFromDB)
Else
LOGGER.Debug($"Attributvalue of [{oAttributeName}] did not change!")
End If
End If
End If
End If
For Each oNewValueRow As DataRow In oDTMyNewValues.Rows
'Dim oSuccess As Boolean = False
Dim oVALUE = oNewValueRow.Item(1).ToString
oVALUE = oVALUE.Replace("'", "''")
Dim oPRSQL = $"DECLARE @NEW_OBJ_MD_ID BIGINT " & vbNewLine & $"EXEC PRIDB_NEW_OBJ_DATA {CURRENT_DOC_ID},'{oAttributeName}','{USER_USERNAME}','{oVALUE}','{USER_LANGUAGE}',0,@OMD_ID = @NEW_OBJ_MD_ID OUTPUT;"
LOGGER.Debug(oPRSQL)
'oSuccess = DatabaseFallback.ExecuteNonQueryIDB(oPRSQL)
If Not ExecuteOrQueue(oPRSQL) Then Return False
'If oSuccess = False Then
' Return False
'End If
Next
Return True
Else
'oNewValue = oNewValue.Replace("'", "' + NCHAR(39) + '")
oNewValue = oNewValue.Replace("'", "''")
Dim oPRIDB_NEW_OBJ_DATA = $"DECLARE @NEW_OBJ_MD_ID BIGINT " & vbNewLine & $"EXEC PRIDB_NEW_OBJ_DATA {CURRENT_DOC_ID},'{oAttributeName}','{USER_USERNAME}','{oNewValue}','{USER_LANGUAGE}',0,@OMD_ID = @NEW_OBJ_MD_ID OUTPUT;"
LOGGER.Debug(oPRIDB_NEW_OBJ_DATA)
' Return DatabaseFallback.ExecuteNonQueryIDB(oPRIDB_NEW_OBJ_DATA)
Return ExecuteOrQueue(oPRIDB_NEW_OBJ_DATA)
End If
Catch ex As Exception
LOGGER.Error(ex)
Return False
End Try
End Function
End Class